Home / 1,071,784,940.42-1,607,499,095.02-324,623,071.53

Finding the Fourth Proportional to 1,071,784,940.42, 1,607,499,095.02 and 324,623,071.53

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Solution

The fourth proportional to 1,071,784,940.42, 1,607,499,095.02 and 324,623,071.53 is: 486,880,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,784,940.42 : 1,607,499,095.02 = 324,623,071.53 : x
  2. Step 2: Convert to fraction form
    1,071,784,940.42/1,607,499,095.02 = 324,623,071.53/x
  3. Step 3: Cross multiply
    1,071,784,940.42x = 1,607,499,095.02 × 324,623,071.53
  4. Step 4: Simplify right side
    1,071,784,940.42x = 521,831,293,703,782,400
  5. Step 5: Solve for x
    x = 521,831,293,703,782,400/1,071,784,940.42
  6. Step 6: Final answer
    x = 486,880,598.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.